Hasil dari sin 270×cos 135×tan135 ----------------------------------- sin150×cos225

{sin 270 . cos 135 x tan 135) /( sin 150 x cos 225)=
= [ -1(-1/2√2)(-1) ] / [ 1/2 √3 (-1/2√2)] .....(-1/2 √2 coret)
= 1/(1/2 √3)
= 1 /(1/2 √3)  ( 2√3) /(2√3)
= (2√3)/(3)
= 2/3 √3